Ranch to Ranch 5K, 10K, 15K

The Cuyamaca 100K is an ultramarathon held in Cuyamaca Rancho State Park near Julian, California, about an hour east of San Diego. The race features a challenging 100-kilometer course composed of three distinct loops starting and ending at Camp Cuyamaca. The first loop covers 31.5 miles on the park'..

Set in Gonzales Canyon Open Space in Carmel Valley, San Diego, the Carmel Valley Trail Race offers trails through scenic open space with rugged climbs. The 12th annual event starts and finishes at Solana Ranch Park in Gonzales Canyon, featuring three distances: 15K, 10K, and 5K. The 15K and 10K rout..

Lake Hodges Trail Festival is an annual trail-running weekend at the Piedras Pintadas Trailhead near Lake Hodges in San Diego County, and is part of the Elevation Culture Race Series. The festival offers multiple distances: 50K, 25K, 15K, 10K, 5K, a stroller-friendly Stroller Trail 5K, and a Kids 1..

The Roosters Backyard Ultra will take place in San Diego on Saturday 1 November 2025.

The Horsethief Canyon Trail Half Marathon takes place on 2025-11-01 in Alpine, California. The event distance listed is: 13.1 mi (Half Marathon) Location: Forest Rte 16S04, Alpine, CA 91901. The course is an out-and-back on a dirt fire road. The route is mostly uphill to the turnaround and mostl..

The Mount Laguna Trail Marathon, held in Mount Laguna, California, is a well-organized Southern California trail race featuring a challenging single-loop course of technical single-track trails. The marathon covers rolling terrain with a total elevation gain of 3,358 feet. The first half of the cour..